pierre masala / TCS3200

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Dependents:   emma

Fork of TCS3200 by Grant Phillips

TCS3200.cpp@1:e1c8062f2970, 2018-01-11 (annotated)

Committer:
pierre11
Date:
Thu Jan 11 09:28:04 2018 +0000
Revision:
1:e1c8062f2970
Parent:
0:b98e768bc655 
witekio

Who changed what in which revision?

UserRevisionLine numberNew contents of line
grantphillips 0:b98e768bc655 1 #include "TCS3200.h"
grantphillips 0:b98e768bc655 2 #include "mbed.h"
grantphillips 0:b98e768bc655 3
grantphillips 0:b98e768bc655 4
grantphillips 0:b98e768bc655 5 TCS3200::TCS3200(PinName S0, PinName S1, PinName S2, PinName S3, PinName OUT) :
grantphillips 0:b98e768bc655 6 mS0(S0), mS1(S1), mS2(S2), mS3(S3), signal(OUT)
grantphillips 0:b98e768bc655 7 {
grantphillips 0:b98e768bc655 8 SetMode(SCALE_100);
grantphillips 0:b98e768bc655 9 signal.rise(this,&TCS3200::HighTrigger);
grantphillips 0:b98e768bc655 10 signal.fall(this,&TCS3200::LowTrigger);
grantphillips 0:b98e768bc655 11 }
grantphillips 0:b98e768bc655 12
pierre11 1:e1c8062f2970 13 long TCS3200::ReadRed()
pierre11 1:e1c8062f2970 14 {
grantphillips 0:b98e768bc655 15 mS2=0;
grantphillips 0:b98e768bc655 16 mS3=0;
grantphillips 0:b98e768bc655 17 wait(0.1); //Delay to allow frequency to change for the set color
grantphillips 0:b98e768bc655 18 return(pulsewidth);
grantphillips 0:b98e768bc655 19 }
grantphillips 0:b98e768bc655 20
pierre11 1:e1c8062f2970 21 long TCS3200::ReadGreen()
pierre11 1:e1c8062f2970 22 {
grantphillips 0:b98e768bc655 23 mS2=1;
grantphillips 0:b98e768bc655 24 mS3=1;
grantphillips 0:b98e768bc655 25 wait(0.1); //Delay to allow frequency to change for the set color
grantphillips 0:b98e768bc655 26 return(pulsewidth);
grantphillips 0:b98e768bc655 27 }
grantphillips 0:b98e768bc655 28
pierre11 1:e1c8062f2970 29 long TCS3200::ReadBlue()
pierre11 1:e1c8062f2970 30 {
grantphillips 0:b98e768bc655 31 mS2=0;
grantphillips 0:b98e768bc655 32 mS3=1;
grantphillips 0:b98e768bc655 33 wait(0.1); //Delay to allow frequency to change for the set color
grantphillips 0:b98e768bc655 34 return(pulsewidth);
grantphillips 0:b98e768bc655 35 }
grantphillips 0:b98e768bc655 36
pierre11 1:e1c8062f2970 37 long TCS3200::ReadClear()
pierre11 1:e1c8062f2970 38 {
grantphillips 0:b98e768bc655 39 mS2=1;
grantphillips 0:b98e768bc655 40 mS3=0;
grantphillips 0:b98e768bc655 41 wait(0.1); //Delay to allow frequency to change for the set color
grantphillips 0:b98e768bc655 42 return(pulsewidth);
grantphillips 0:b98e768bc655 43 }
grantphillips 0:b98e768bc655 44
pierre11 1:e1c8062f2970 45 void TCS3200::SetMode(TCS3200Mode mode)
pierre11 1:e1c8062f2970 46 {
pierre11 1:e1c8062f2970 47 if(mode == POWERDOWN)
pierre11 1:e1c8062f2970 48 { //TCS3200 in power down
grantphillips 0:b98e768bc655 49 mS0 = 0;
grantphillips 0:b98e768bc655 50 mS1 = 0;
grantphillips 0:b98e768bc655 51 }
pierre11 1:e1c8062f2970 52 else if(mode == SCALE_2)
pierre11 1:e1c8062f2970 53 { //Output frequency at 2% scaling
grantphillips 0:b98e768bc655 54 mS0 = 0;
grantphillips 0:b98e768bc655 55 mS1 = 1;
grantphillips 0:b98e768bc655 56 }
pierre11 1:e1c8062f2970 57 else if(mode == SCALE_20)
pierre11 1:e1c8062f2970 58 { //Output frequency at 20% scaling
grantphillips 0:b98e768bc655 59 mS0 = 1;
grantphillips 0:b98e768bc655 60 mS1 = 0;
grantphillips 0:b98e768bc655 61 }
pierre11 1:e1c8062f2970 62 else if(mode == SCALE_100)
pierre11 1:e1c8062f2970 63 { //Output frequency at 100% scaling
grantphillips 0:b98e768bc655 64 mS0 = 1;
grantphillips 0:b98e768bc655 65 mS1 = 1;
grantphillips 0:b98e768bc655 66 }
grantphillips 0:b98e768bc655 67 else { //default is POWERDOWN
grantphillips 0:b98e768bc655 68 mS0 = 0;
grantphillips 0:b98e768bc655 69 mS1 = 0;
grantphillips 0:b98e768bc655 70 }
grantphillips 0:b98e768bc655 71 }
grantphillips 0:b98e768bc655 72
pierre11 1:e1c8062f2970 73 void TCS3200::HighTrigger()
pierre11 1:e1c8062f2970 74 {
grantphillips 0:b98e768bc655 75 timer.start();
grantphillips 0:b98e768bc655 76 }
grantphillips 0:b98e768bc655 77
pierre11 1:e1c8062f2970 78 void TCS3200::LowTrigger()
pierre11 1:e1c8062f2970 79 {
grantphillips 0:b98e768bc655 80 timer.stop();
grantphillips 0:b98e768bc655 81 pulsewidth = timer.read_us();
grantphillips 0:b98e768bc655 82 timer.reset();
grantphillips 0:b98e768bc655 83 }